Finding the Fourth Proportional to 2,335.37, 3,222.47 and 1,340.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.37 : 3,222.47 = 1,340.69 : x
2. Step 2: Convert to fraction form
   2,335.37/3,222.47 = 1,340.69/x
3. Step 3: Cross multiply
   2,335.37x = 3,222.47 × 1,340.69
4. Step 4: Simplify right side
   2,335.37x = 4,320,326.60
5. Step 5: Solve for x
   x = 4,320,326.60/2,335.37
6. Step 6: Final answer
   x = 1,849.95